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‎10-31-2023 03:48 AM

HP Recommended

No HDMI and DP video output through this dock/hub. And no power through this dock/hub.

HP ProBook 455 G8 Notebook PC (46W63AV), Windows 11 22H2
HP Universal USB-C Multiport Hub (50H55AA)

All updated to the latest version OS and BIOS (BIOS T78 Ver. 01.14.00).

Other ports in the dock/hub work without a problem, mouse, keyboard, LAN.

The HDMI output directly from the laptop works fine.

The problem is with all three 455 G8 laptops I have here.

The dock/hub with different notebooks (e.g. Lenovo ThinkBook 14 G2 ARE) works OK, HDMI and power is functional.

 

Category:
3 REPLIES 3

‎11-01-2023 02:28 AM

HP Recommended

Maybe you can try to install displaylink driver.

 

https://support.hp.com/us-en/drivers/selfservice/swdetails/hp-probook-455-g8-notebook-pc/38228735/sw...

 

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‎11-01-2023 06:17 AM

HP Recommended

Unfortunately, installing the displaylink driver did not help. I tried another USB-C dock/hub (itec), the behavior is the same, no video output on HDMI, or the monitor detects some signal but only shows a black screen.

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‎11-02-2023 09:30 PM

HP Recommended

Sorry, I don't have same USB-C Hub. 

I got other usb-c hub( and tried it on my 455 G8. HDMI works. 

Did you find any yellow bang mark in device manager when this problem occurred?

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